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Overview
Max Total Supply
26,283,756,280.827845 USDC
Holders
2,354,612 ( 0.081%)
Market
Price
$1.00 @ 0.000417 ETH (+0.07%)
Onchain Market Cap
$26,283,756,280.83
Circulating Supply Market Cap
$35,559,196,504.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $0.9999 0.0004170 Eth | $321,952,509.00 5,184.625 BTC | 0.0000% |
2 | Bybit | ETH-USDC | $0.9999 0.0004170 Eth | $168,954,306.00 70,034.857 ETH | 0.0000% |
3 | DigiFinex | BTC-USDC | $1.00 0.0004171 Eth | $123,547,171.00 1,999.727 BTC | 0.0000% |
4 | Bybit | USDC-USDT | $1.00 0.0004171 Eth | $101,507,291.00 101,503,736.710 USDC | 0.0138% |
5 | Binance | BTC-USDC | $0.9999 0.0004170 Eth | $79,250,216.00 1,274.800 BTC | 0.0000% |
6 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004170 Eth | $62,337,908.00 25,838.431 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
7 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004170 Eth | $56,290,265.00 393,054.030 SO11111111111111111111111111111111111111112 | 0.0001% |
8 | DigiFinex | ETH-USDC | $1.00 0.0004171 Eth | $35,765,381.00 14,912.379 ETH | 0.0000% |
9 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004170 Eth | $32,780,348.00 229,016.412 SO11111111111111111111111111111111111111112 | 0.0000% |
10 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9994 0.0004168 Eth | $29,702,005.00 29,881,314.323 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0041% |
11 | Biconomy.com | ETH-USDC | $0.9999 0.0004170 Eth | $28,557,963.00 11,828.079 ETH | 0.0000% |
12 | Hotcoin | BTC-USDC | $1.00 0.0004171 Eth | $27,689,436.00 448.164 BTC | 0.0000% |
13 | Bybit | SOL-USDC | $0.9999 0.0004170 Eth | $21,580,250.00 150,626.540 SOL | 0.0000% |
14 | Biconomy.com | BTC-USDC | $0.9999 0.0004169 Eth | $21,312,514.00 343.080 BTC | 0.0000% |
15 | Binance | SOL-USDC | $0.9999 0.0004170 Eth | $20,916,674.00 145,714.576 SOL | 0.0000% |
16 | LBank | ETH-USDC | $0.9998 0.0004170 Eth | $19,472,677.00 8,123.655 ETH | 0.0000% |
17 | Camelot V3 | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $1.00 0.0004171 Eth | $19,460,682.00 19,583,357.077 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0027% |
18 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004170 Eth | $18,522,417.00 129,367.819 SO11111111111111111111111111111111111111112 | 0.0000% |
19 | Tapbit | BTC-USDC | $1.00 0.0004171 Eth | $17,969,862.00 289.347 BTC | 0.0000% |
20 | Coinbase Exchange | USDT-USDC | $1.00 0.0004171 Eth | $16,351,157.00 16,348,626.030 USDT | 0.0022% |
21 | OKX | BTC-USDC | $0.9999 0.0004170 Eth | $15,423,775.00 248.358 BTC | 0.0000% |
22 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004170 Eth | $15,391,670.00 15,406,743.304 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0021% |
23 | OKX | ETH-USDC | $0.9999 0.0004170 Eth | $14,852,037.00 6,155.067 ETH | 0.0000% |
24 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004170 Eth | $14,111,991.00 98,570.292 SO11111111111111111111111111111111111111112 | 0.0000% |
25 | Azbit | SOL-USDC | $0.9999 0.0004170 Eth | $13,517,125.00 94,378.623 SOL | 0.0000% |
26 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004170 Eth | $13,406,466.00 4,056,664.693 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0006% |
27 | WhiteBIT | ETH-USDC | $1.00 0.0004171 Eth | $12,081,519.00 5,037.357 ETH | 0.0000% |
28 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004169 Eth | $10,819,150.00 75,517.360 SO11111111111111111111111111111111111111112 | 0.0000% |
29 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004169 Eth | $10,521,351.00 70,333,774.241 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.0096% |
30 | Aerodrome SlipStream | 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9995 0.0004168 Eth | $10,397,503.00 167.533 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | 0.0000% |
31 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $0.9997 0.0004169 Eth | $9,242,172.00 9,246,114.351 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0013% |
32 | Kraken | USDC-USD | $0.9999 0.0004170 Eth | $8,396,507.00 8,397,346.922 USDC | 0.0011% |
33 | Curve (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0004170 Eth | $7,777,529.00 7,778,434.071 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0011% |
34 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $0.9999 0.0004170 Eth | $7,519,897.00 7,521,343.157 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0010% |
35 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004169 Eth | $7,229,058.00 7,230,895.055 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0010% |
36 | Azbit | ETH-USDC | $0.9999 0.0004170 Eth | $6,890,649.00 2,854.516 ETH | 0.0000% |
37 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9999 0.0004169 Eth | $6,874,888.00 265,760.290 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0000% |
38 | Cube | BTC-USDC | $0.9999 0.0004170 Eth | $6,814,823.00 109.806 BTC | 0.0000% |
39 | PancakeSwap V3 (Arbitrum) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $1.00 0.0004171 Eth | $6,215,414.00 6,255,243.102 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0008% |
40 | Azbit | LTC-USDC | $0.9999 0.0004170 Eth | $6,073,441.00 92,810.390 LTC | 0.0000% |
41 | PancakeSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9997 0.0004169 Eth | $5,765,300.00 2,389.479 0X4200000000000000000000000000000000000006 | 0.0000% |
42 | Binance | PEPE-USDC | $1.00 0.0004171 Eth | $5,597,959.00 596,740,803,819.000 PEPE | 81.0764% |
43 | Bitget | BTC-USDC | $0.9999 0.0004170 Eth | $4,403,863.00 70.913 BTC | 0.0000% |
44 | XT.COM | ETH-USDC | $1.00 0.0004171 Eth | $4,158,138.00 1,723.765 ETH | 0.0000% |
45 | PointPay | BTC-USDC | $0.9999 0.0004169 Eth | $3,994,254.00 64.254 BTC | 0.0000% |
46 | HTX | ETH-USDC | $0.9999 0.0004170 Eth | $3,967,992.00 1,643.006 ETH | 0.0000% |
47 | Binance | ARB-USDC | $1.00 0.0004170 Eth | $3,874,992.00 6,931,875.100 ARB | 0.0009% |
48 | Coinbase Exchange | USDC-EUR | $1.00 0.0004170 Eth | $3,697,554.00 3,697,071.200 USDC | 0.0005% |
49 | Bitget | ETH-USDC | $0.9999 0.0004170 Eth | $3,682,647.00 1,525.641 ETH | 0.0000% |
50 | HTX | BTC-USDC | $0.9999 0.0004170 Eth | $3,607,784.00 58.082 BTC | 0.0000% |
51 | Binance | FET-USDC | $0.9997 0.0004176 Eth | $3,451,203.00 2,403,035.300 FET | 0.0003% |
52 | Binance | WIF-USDC | $0.9998 0.0004173 Eth | $3,319,634.00 1,432,873.910 WIF | 0.0002% |
53 | Dexalot | AVAX-USDC | $0.9998 0.0004170 Eth | $2,705,817.00 104,666.755 AVAX | 0.0000% |
54 | Dex-Trade | BTC-USDC | $1.00 0.0004170 Eth | $2,675,905.00 43.317 BTC | 0.0000% |
55 | Dex-Trade | USDC-USDT | $0.9998 0.0004169 Eth | $2,551,226.00 2,551,844.000 USDC | 0.0003% |
56 | Bybit | XRP-USDC | $0.9999 0.0004170 Eth | $2,539,749.00 4,773,195.880 XRP | 0.0006% |
57 | Binance | NEAR-USDC | $1.00 0.0004179 Eth | $2,409,771.00 506,048.400 NEAR | 0.0001% |
58 | Bybit | SHIB-USDC | $0.9999 0.0004170 Eth | $2,044,773.00 117,004,321,959.300 SHIB | 15.8968% |
59 | LBank | FIL-USDC | $0.9999 0.0004170 Eth | $1,966,508.00 548,897.854 FIL | 0.0001% |
60 | Binance | WLD-USDC | $0.9999 0.0004169 Eth | $1,891,806.00 1,037,957.000 WLD | 0.0001% |
61 | Binance | SEI-USDC | $1.00 0.0004179 Eth | $1,810,758.00 4,397,851.400 SEI | 0.0006% |
62 | Slex | BTC-USDC | $1.00 0.0004171 Eth | $1,417,229.00 22.790 BTC | 0.0000% |
63 | Deribit Spot | BTC-USDC | $1.00 0.0004172 Eth | $1,416,937.00 22.817 BTC | 0.0000% |
64 | Binance | SAGA-USDC | $0.9999 0.0004169 Eth | $1,409,588.00 581,144.400 SAGA | 0.0001% |
65 | PointPay | USDC-USDT | $0.9998 0.0004169 Eth | $1,383,340.00 1,383,698.720 USDC | 0.0002% |
66 | tanX | BTC-USDC | $0.9997 0.0004171 Eth | $1,237,824.00 19.945 BTC | 0.0000% |
67 | Slex | ETH-USDC | $1.00 0.0004171 Eth | $1,165,588.00 483.084 ETH | 0.0000% |
68 | WhiteBIT | XRP-USDC | $1.00 0.0004171 Eth | $1,069,725.00 2,012,313.300 XRP | 0.0003% |
69 | BYDFi | BTC-USDC | $1.00 0.0004171 Eth | $993,860.00 16.086 BTC | 0.0000% |
70 | PointPay | ETH-USDC | $0.9999 0.0004170 Eth | $971,272.00 402.754 ETH | 0.0000% |
71 | OKX | XRP-USDC | $0.9999 0.0004170 Eth | $943,758.00 1,773,318.404 XRP | 0.0002% |
72 | Dexalot | USDT-USDC | $0.9998 0.0004170 Eth | $928,683.00 928,926.510 USDT | 0.0001% |
73 | WhiteBIT | ADA-USDC | $1.00 0.0004171 Eth | $896,629.00 2,580,082.200 ADA | 0.0004% |
74 | Bybit | AVAX-USDC | $0.9999 0.0004170 Eth | $896,503.00 34,574.831 AVAX | 0.0000% |
75 | PointPay | SOL-USDC | $0.9999 0.0004170 Eth | $848,358.00 5,910.455 SOL | 0.0000% |
76 | Binance | APT-USDC | $0.9999 0.0004170 Eth | $848,204.00 94,525.450 APT | 0.0000% |
77 | Gemini | USDC-USD | $0.9998 0.0004169 Eth | $836,284.00 836,493.576 USDC | 0.0001% |
78 | BYDFi | XRP-USDC | $0.9998 0.0004170 Eth | $813,220.00 1,530,917.000 XRP | 0.0002% |
79 | Backpack Exchange | SOL-USDC | $1.00 0.0004172 Eth | $795,425.00 5,544.410 SOL | 0.0000% |
80 | Bybit | SUI-USDC | $0.9999 0.0004170 Eth | $793,991.00 459,900.820 SUI | 0.0001% |
81 | Dexalot | WBTC-USDC | $0.9999 0.0004173 Eth | $754,304.00 12.164 WBTC | 0.0000% |
82 | Deribit Spot | SOL-USDC | $1.00 0.0004171 Eth | $753,999.00 5,266.700 SOL | 0.0000% |
83 | Cube | SOL-USDC | $0.9999 0.0004170 Eth | $655,030.00 4,573.982 SOL | 0.0000% |
84 | Binance | TRB-USDC | $0.9999 0.0004170 Eth | $555,271.00 8,983.623 TRB | 0.0000% |
85 | Binance US | BTC-USDC | $1.00 0.0004170 Eth | $495,158.00 8.010 BTC | 0.0000% |
86 | PointPay | BNB-USDC | $0.9999 0.0004169 Eth | $457,902.00 816.316 BNB | 0.0000% |
87 | tanX | ETH-USDC | $0.9997 0.0004171 Eth | $450,070.00 186.498 ETH | 0.0000% |
88 | Bybit | OP-USDC | $0.9999 0.0004170 Eth | $449,722.00 277,887.430 OP | 0.0000% |
89 | BitMart | TUSD-USDC | $1.00 0.0004170 Eth | $428,360.00 429,454.200 TUSD | 0.0001% |
90 | BYDFi | ETH-USDC | $1.00 0.0004171 Eth | $416,911.00 173.863 ETH | 0.0000% |
91 | OKX | SHIB-USDC | $0.9999 0.0004170 Eth | $383,194.00 21,928,795,408.000 SHIB | 2.9794% |
92 | Dex-Trade | SOL-USDC | $1.00 0.0004170 Eth | $357,539.00 2,520.389 SOL | 0.0000% |
93 | OKX | NEAR-USDC | $0.9999 0.0004170 Eth | $323,516.00 68,279.542 NEAR | 0.0000% |
94 | OKX | DOGE-USDC | $0.9999 0.0004170 Eth | $198,274.00 1,818,847.610 DOGE | 0.0002% |
95 | OKX | FIL-USDC | $0.9999 0.0004170 Eth | $187,609.00 51,545.339 FIL | 0.0000% |
96 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004164 Eth | $118,326.00 176,015.290 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0000% |
97 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004164 Eth | $96,834.00 14,304.145 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0000% |
98 | DeGate | 0X92D6C1E31E14520E676A687F0A93788B716BEFF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004164 Eth | $89,101.00 101,900.085 0X92D6C1E31E14520E676A687F0A93788B716BEFF5 | 0.0000% |
99 | DeGate | 0X3294395E62F4EB6AF3F1FCF89F5602D90FB3EF69-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004164 Eth | $66,947.00 93,016.010 0X3294395E62F4EB6AF3F1FCF89F5602D90FB3EF69 | 0.0000% |
100 | DeGate | 0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004164 Eth | $60,361.00 77,458.270 0X8687A10BCA6F139B25EB31020FCABB5782214764 | 0.0000% |
Contract Name:
FiatTokenProxy
Compiler Version
v0.4.24+commit.e67f0147
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *Submitted for verification at Etherscan.io on 2018-08-03 */ pragma solidity ^0.4.24; // File: zos-lib/contracts/upgradeability/Proxy.sol /** * @title Proxy * @dev Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. */ contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ function () payable external { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal view returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize) } default { return(0, returndatasize) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal { } /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } } // File: openzeppelin-solidity/contracts/AddressUtils.sol /** * Utility library of inline functions on addresses */ library AddressUtils { /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param addr address to check * @return whether the target address is a contract */ function isContract(address addr) internal view returns (bool) { uint256 size; // XXX Currently there is no better way to check if there is a contract in an address // than to check the size of the code at that address. // See https://ethereum.stackexchange.com/a/14016/36603 // for more details about how this works. // TODO Check this again before the Serenity release, because all addresses will be // contracts then. // solium-disable-next-line security/no-inline-assembly assembly { size := extcodesize(addr) } return size > 0; } } // File: zos-lib/contracts/upgradeability/UpgradeabilityProxy.sol /** * @title UpgradeabilityProxy * @dev This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. */ contract UpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "org.zeppelinos.proxy.implementation", and is * validated in the constructor. */ bytes32 private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3; /** * @dev Contract constructor. * @param _implementation Address of the initial implementation. */ constructor(address _implementation) public { assert(IMPLEMENTATION_SLOT == keccak256("org.zeppelinos.proxy.implementation")); _setImplementation(_implementation); } /** * @dev Returns the current implementation. * @return Address of the current implementation */ function _implementation() internal view returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) private { require(AddressUtils.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } } // File: zos-lib/contracts/upgradeability/AdminUpgradeabilityProxy.sol /** * @title AdminUpgradeabilityProxy * @dev This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. * All external functions in this contract must be guarded by the * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity * feature proposal that would enable this to be done automatically. */ contract AdminUpgradeabilityProxy is UpgradeabilityProxy { /** * @dev Emitted when the administration has been transferred. * @param previousAdmin Address of the previous admin. * @param newAdmin Address of the new admin. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "org.zeppelinos.proxy.admin", and is * validated in the constructor. */ bytes32 private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b; /** * @dev Modifier to check whether the `msg.sender` is the admin. * If it is, it will run the function. Otherwise, it will delegate the call * to the implementation. */ modifier ifAdmin() { if (msg.sender == _admin()) { _; } else { _fallback(); } } /** * Contract constructor. * It sets the `msg.sender` as the proxy administrator. * @param _implementation address of the initial implementation. */ constructor(address _implementation) UpgradeabilityProxy(_implementation) public { assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin")); _setAdmin(msg.sender); } /** * @return The address of the proxy admin. */ function admin() external view ifAdmin returns (address) { return _admin(); } /** * @return The address of the implementation. */ function implementation() external view ifAdmin returns (address) { return _implementation(); } /** * @dev Changes the admin of the proxy. * Only the current admin can call this function. * @param newAdmin Address to transfer proxy administration to. */ function changeAdmin(address newAdmin) external ifAdmin { require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address"); emit AdminChanged(_admin(), newAdmin); _setAdmin(newAdmin); } /** * @dev Upgrade the backing implementation of the proxy. * Only the admin can call this function. * @param newImplementation Address of the new implementation. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } /** * @dev Upgrade the backing implementation of the proxy and call a function * on the new implementation. * This is useful to initialize the proxied contract. * @param newImplementation Address of the new implementation. * @param data Data to send as msg.data in the low level call. * It should include the signature and the parameters of the function to be * called, as described in * https://solidity.readthedocs.io/en/develop/abi-spec.html#function-selector-and-argument-encoding. */ function upgradeToAndCall(address newImplementation, bytes data) payable external ifAdmin { _upgradeTo(newImplementation); require(address(this).call.value(msg.value)(data)); } /** * @return The admin slot. */ function _admin() internal view returns (address adm) { bytes32 slot = ADMIN_SLOT; assembly { adm := sload(slot) } } /** * @dev Sets the address of the proxy admin. * @param newAdmin Address of the new proxy admin. */ function _setAdmin(address newAdmin) internal { bytes32 slot = ADMIN_SLOT; assembly { sstore(slot, newAdmin) } } /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal { require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin"); super._willFallback(); } } // File: contracts/FiatTokenProxy.sol /** * Copyright CENTRE SECZ 2018 * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is furnished to * do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ pragma solidity ^0.4.24; /** * @title FiatTokenProxy * @dev This contract proxies FiatToken calls and enables FiatToken upgrades */ contract FiatTokenProxy is AdminUpgradeabilityProxy { constructor(address _implementation) public AdminUpgradeabilityProxy(_implementation) { } }
Contract Security Audit
- Callisto Network - Apr 7th, 2023 - Security Audit Report
[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
-----Decoded View---------------
Arg [0] : _implementation (address): 0x0882477e7895bdC5cea7cB1552ed914aB157Fe56
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
Swarm Source
bzzr://a4a547cfc7202c5acaaae74d428e988bc62ad5024eb0165532d3a8f91db4ed24
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